package com.lease.web.admin.service.impl;

import com.lease.common.minio.MinioProperties;
import com.lease.web.admin.service.FileService;
import io.minio.*;
import io.minio.errors.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.UUID;

@Service
public class FileServiceImpl implements FileService {
    @Autowired
    private MinioClient minioClient;

    @Autowired
    private MinioProperties minioProperties;

    @Override
    public String uploadFile(MultipartFile file) throws ServerException, InsufficientDataException, ErrorResponseException, IOException, NoSuchAlgorithmException, InvalidKeyException, InvalidResponseException, XmlParserException, InternalException {
        String policy = """
                {
                              "Statement" : [ {
                                "Action" : "s3:GetObject",
                                "Effect" : "Allow",
                                "Principal" : "*",
                                "Resource" : "arn:aws:s3:::%s/*"
                              } ],
                              "Version" : "2012-10-17"  
                }
                """.formatted(minioProperties.getBucketName());
        minioClient.setBucketPolicy(SetBucketPolicyArgs.builder()
                .bucket(minioProperties.getBucketName()).config(policy).build()

        );


        boolean isExist = minioClient.bucketExists(BucketExistsArgs.builder().
                bucket(minioProperties.getBucketName()).build());

        if (!isExist) {
            minioClient.makeBucket(MakeBucketArgs.builder()
                    .bucket(minioProperties.getBucketName())
                    .build());
            minioClient.setBucketPolicy(SetBucketPolicyArgs.builder()
                    .bucket(minioProperties.getBucketName())
                    .config(policy).build());
        }


        String objectName = new SimpleDateFormat("yyyMMdd").format(new Date()) + "/" +
                UUID.randomUUID().toString().replaceAll("-", "") +
                file.getOriginalFilename();


        minioClient.putObject(PutObjectArgs.builder().
                bucket(minioProperties.getBucketName()).
                object(objectName).
                stream(file.getInputStream(), file.getSize(), -1).
                contentType(file.getContentType()).build());


        return String.join("/", minioProperties.getEndpoint(), minioProperties.getBucketName(), objectName);
    }
}
